Hi Frank,
Not a direct reply to your question, but a couple of small points. If you're getting a MBP, you can only get a max 250Gb HDD (a 5400rpm drive), however, you'd be far better of with the 200GB 7200rpm drive.
Secondly, if you get the 2.5GHz model, you get more graphics memory (important when handling these big files!) and you get more cache.
Memory; Don't buy Apple's extortionately price memory; Get just 2Gb, go to crucial and buy the 4Gb kit, and replace what comes in your Apple; you can't 'upgrade', you need to remove existing and replace, but it's far, far cheaper to do the third party upgrade.
I find that with the MBP connected to the P45, but using battery on the P45, I won't get near 6 hours, even with BT & Wireless turned off, and fairly conservative power settings. I certainly wouldn't get anywhere near that with the back drawing power. I find it easier on location just to use multiple batteries in the back, if I can't plug the MBP into the mains.
On the subject of screen, I have the matte screen. Haven't use their glossy screen, but this one appears to have very accurate colour representation (once calibrated), and is generally a joy to use. On location I have a Lastolite easyview, which it gets popped in, and when I move, I just lift the whole easyview. Never had a problem examining images in the brightest light.
So, sorry not to answer your question, but I hope there's something of some small value here.
PS that second goal was absolutely stunning!
Cheers